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A Global Navigation Satellite System (GNSS) antenna calibration facility has been established at Geoscience Australia, for determining individual antenna calibrations as well as aiding the establishment of typemean calibrations as used by the International GNSS Service (IGS). Studies have highlighted the importance of accounting for the variation in individual antenna calibrations for high precision positioning applications. In order to use individual antenna calibrations reliably, the repeatability of the calibration needs to be well understood. In this paper, we give an overview of the repeatability of calibrations for different antenna types. We also present a case study on the application of an individual GNSS antenna calibration in Australia and its effect upon positioning.</gco:CharacterString>
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